George Zimmerman trial: Week One

George Zimmerman, left, smiles while standing next to defense counsel Lorna Truettwhile, waiting for the jury to leave the courtroom during the 15th day of his trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman is charged with second-degree murder for the 2012 shooting death of Trayvon Martin. (AP Photo/Orlando Sentinel, Joe Burbank, Pool)

State exhibit photos, including this of George Zimmerman on the night of the Trayvon Martin shooting, are projected on a video screen in court during the 15th day of Zimmerman's trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin. (AP Photo/Orlando Sentinel, Joe Burbank, Pool)

George Zimmerman smiles while waiting for the jury to leave the courtroom during the 15th day of his trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman is charged with second-degree murder for the 2012 shooting death of Trayvon Martin. (AP Photo/Orlando Sentinel, Joe Burbank, Pool)

Sanford police officer Ricardo Ayala describes the fatal chest wound that he observed on Trayvon Martin, during the 15th day of the George Zimmerman trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

State evidence photos, including this scene of George Zimmerman arriving at the Sanford Police station on the night of the Trayvon Martin shooting, are projected on a video screen in the courtroom during the 15th day of Zimmerman's trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

Mark O'Mara, George Zimmerman's attorney, displays a photo of Zimmerman taken the night of the shooting of Trayvon Martin, to Zimmerman's physician, Lindzee Folgate, during her testimony on the 15th day of Zimmerman's trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

State evidence photos, including a photo of George Zimmerman on the night of the Trayvon Martin shooting, are projected on a video screen in the courtroom during the 15th day of Zimmerman's trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

State evidence photos, including this scene of George Zimmerman arriving at the Sanford Police station on the night of the Trayvon Martin shooting, are projected on a video screen in the courtroom during the 15th day of Zimmerman's trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

Attorney Mark O'Mara, defense counsel for George Zimmerman, holds an evidence photo of Trayvon Martin while questioning a state witness, on the 15th day of Zimmerman trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

Sanford police officer Timothy Smith holds up the gun that was used to kill Trayvon Martin, while testifying in the 15th day of the George Zimmerman trial, in Seminole circuit court in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

State evidence photos, including various photos of George Zimmerman on the night of the Trayvon Martin shooting, are projected on a video screen in the courtroom during the 15th day of Zimmerman's trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

George Zimmerman, right, stands next to his attorneys, Mark O'Mara, left, and Don West, during the 15th day of his trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

George Zimmerman leaves the courtroom on a recess during the 15th day of his trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

Attorney Mark O'Mara, defense counsel for George Zimmerman, gestures with a shooting gun motion while questioning a state witness, on the 15th day of Zimmerman's trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

George Zimmerman, right, stands with his attorneys, Mark O'Mara, left, and Don West, during the 15th day of his trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

George Zimmerman waits for his counsel before the start of the 15th day of his trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

Prosecutor Bernie de la Rionda, left, and defense attorney Mark O'Mara confer during the 15th day of the George Zimmerman trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

Defense attorney Mark O'Mara, front left, drops to his knees in questioning eyewitness Jonathan Good, right, during the George Zimmerman trial, with Judge Debra Nelson in background, back left, during the 15th day of the trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin. (AP Photo/Orlando Sentinel, Joe Burbank, Pool)

The parents of Trayvon Martin, Tracy Martin, left, and Sybrina Fulton arrive for the the 15th day of George Zimmerman's trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

The parents of Trayvon Martin, Sybrina Fulton, left, and Tracy Martin, are greeted by State Attorney Angela Corey, right, after arriving for the 15th day of George Zimmerman's trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

George Zimmerman waits for the jury to come into the courtroom during the 15th day of his trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

George Zimmerman, left, sits with his defense lawyers, Don West, center, and Mark O'Mara, during the 15th day of his trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

George Zimmerman, right, is greeted by his attorney, Mark O'Mara, before the start of the 15th day of his trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)

Witness Jonathan Good, right, watches prosecutor Bernie de la Rionda demonstrate the possible fight positions of George Zimmerman and Trayvon Martin, during the 15th day of the Zimmerman trial in Seminole circuit court, in Sanford, Fla., Friday, June 28, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin.(AP Photo/Orlando Sentinel, Joe Burbank, Pool)